C#winform程序关闭计算机的正确姿势

本文转自：https://www.cnblogs.com/datacool/p/datacool_poweroff.html

  1 /// <summary>
  2 /// 计算机电源控制类
  3 /// </summary>
  4 public class EnvironmentCheckClass
  5 {
  6     [DllImport("user32.dll")]
  7     static extern bool ExitWindowsEx(ExitWindows uFlags, ShutdownReason dwReason);
  8     [DllImport("kernel32.dll", ExactSpelling = true)]
  9     internal static extern IntPtr GetCurrentProcess();
 10  
 11     [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
 12     internal static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);
 13  
 14     [DllImport("advapi32.dll", SetLastError = true)]
 15     internal static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);
 16  
 17     [DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
 18     internal static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall,
 19  ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen);
 20  
 21     [DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]
 22     internal static extern bool ExitWindowsEx(int flg, int rea);
 23  
 24  
 25     [StructLayout(LayoutKind.Sequential, Pack = 1)]
 26     internal struct TokPriv1Luid
 27     {
 28         public int Count;
 29         public long Luid;
 30         public int Attr;
 31     }
 32  
 33     internal const int SE_PRIVILEGE_ENABLED = 0x00000002;
 34     internal const int TOKEN_QUERY = 0x00000008;
 35     internal const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;
 36     internal const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
 37  
 38     public enum ExitWindows : uint
 39     {
 40         LogOff = 0x00,      //注销
 41         ShutDown = 0x01,    //关机
 42         Reboot = 0x00000002,  //重启
 43         Force = 0x04,
 44         PowerOff = 0x08,
 45         ForceIfHung = 0x10
 46     }
 47     public enum ShutdownReason : uint
 48     {
 49         MajorApplication = 0x00040000,
 50         MajorHardware = 0x00010000,
 51         MajorLegacyApi = 0x00070000,
 52         MajorOperatingSystem = 0x00020000,
 53         MajorOther = 0x00000000,
 54         MajorPower = 0x00060000,
 55         MajorSoftware = 0x00030000,
 56         MajorSystem = 0x00050000,
 57         MinorBlueScreen = 0x0000000F,
 58         MinorCordUnplugged = 0x0000000b,
 59         MinorDisk = 0x00000007,
 60         MinorEnvironment = 0x0000000c,
 61         MinorHardwareDriver = 0x0000000d,
 62         MinorHotfix = 0x00000011,
 63         MinorHung = 0x00000005,
 64         MinorInstallation = 0x00000002,
 65         MinorMaintenance = 0x00000001,
 66         MinorMMC = 0x00000019,
 67         MinorNetworkConnectivity = 0x00000014,
 68         MinorNetworkCard = 0x00000009,
 69         MinorOther = 0x00000000,
 70         MinorOtherDriver = 0x0000000e,
 71         MinorPowerSupply = 0x0000000a,
 72         MinorProcessor = 0x00000008,
 73         MinorReconfig = 0x00000004,
 74         MinorSecurity = 0x00000013,
 75         MinorSecurityFix = 0x00000012,
 76         MinorSecurityFixUninstall = 0x00000018,
 77         MinorServicePack = 0x00000010,
 78         MinorServicePackUninstall = 0x00000016,
 79         MinorTermSrv = 0x00000020,
 80         MinorUnstable = 0x00000006,
 81         MinorUpgrade = 0x00000003,
 82         MinorWMI = 0x00000015,
 83         FlagUserDefined = 0x40000000,
 84         FlagPlanned = 0x80000000
 85     }
 86  
 87     public void ReStartComputer()
 88     {
 89         System.Threading.Thread Restart = new System.Threading.Thread(ReStart);
 90         Restart.Start();
 91     }
 92  
 93     private void ReStart()
 94     {
 95         try
 96         {
 97             System.Threading.Thread.Sleep(1000);
 98             bool ok;
 99             TokPriv1Luid tp;
100             IntPtr hproc = GetCurrentProcess();
101             IntPtr htok = IntPtr.Zero;
102             ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
103             tp.Count = 1;
104             tp.Luid = 0;
105             tp.Attr = SE_PRIVILEGE_ENABLED;
106             ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);
107             ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
108             ok = ExitWindowsEx(ExitWindows.Reboot, ShutdownReason.MinorOther);
109         }
110         catch
111         { }
112     }
113  
114     public void ComputerPowerOff()
115     {
116         System.Threading.Thread PowerOff = new System.Threading.Thread(PCPowerOff);
117         PowerOff.Start();
118     }
119  
120     private void PCPowerOff()
121     {
122         try
123         {
124             System.Threading.Thread.Sleep(1000); 
125             bool ok;
126             TokPriv1Luid tp;
127             IntPtr hproc = GetCurrentProcess();
128             IntPtr htok = IntPtr.Zero;
129             ok = OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
130             tp.Count = 1;
131             tp.Luid = 0;
132             tp.Attr = SE_PRIVILEGE_ENABLED;
133             ok = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);
134             ok = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
135             ok = ExitWindowsEx(ExitWindows.PowerOff, ShutdownReason.MajorHardware);
136         }
137         catch
138         { }
139     }
140 }